1981 BMW 725 vs. 2007 Mercedes-Benz ML
To start off, 2007 Mercedes-Benz ML is newer by 26 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 3,498 cc (6 cylinders), 2007 Mercedes-Benz ML is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz ML (268 HP @ 6000 RPM) has 120 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2007 Mercedes-Benz ML should accelerate faster than 1981 BMW 725.
Because 2007 Mercedes-Benz ML is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz ML will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Mercedes-Benz ML (350 Nm @ 2400 RPM) has 135 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2007 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
1981 BMW 725 | 2007 Mercedes-Benz ML | |
Make | BMW | Mercedes-Benz |
Model | 725 | ML |
Year Released | 1981 | 2007 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 2493 cc | 3498 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 148 HP | 268 HP |
Engine RPM | 5500 RPM | 6000 RPM |
Torque | 215 Nm | 350 Nm |
Torque RPM | 4000 RPM | 2400 RPM |
Engine Bore Size | 86 mm | 92.9 mm |
Engine Stroke Size | 71.6 mm | 86 mm |
Engine Compression Ratio | 9.6:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | 4WD |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Length | 4870 mm | 4640 mm |
Vehicle Width | 1810 mm | 1850 mm |
Vehicle Height | 1440 mm | 1830 mm |
Wheelbase Size | 2810 mm | 2920 mm |